JP2526550Y2 - 視力検査装置 - Google Patents
視力検査装置Info
- Publication number
- JP2526550Y2 JP2526550Y2 JP1989123409U JP12340989U JP2526550Y2 JP 2526550 Y2 JP2526550 Y2 JP 2526550Y2 JP 1989123409 U JP1989123409 U JP 1989123409U JP 12340989 U JP12340989 U JP 12340989U JP 2526550 Y2 JP2526550 Y2 JP 2526550Y2
- Authority
- JP
- Japan
- Prior art keywords
- housing
- subject
- optotype
- visual acuity
- display means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012360 testing method Methods 0.000 title claims description 14
- 230000004304 visual acuity Effects 0.000 claims description 20
- 230000004438 eyesight Effects 0.000 claims description 5
- 238000007689 inspection Methods 0.000 description 19
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 230000004907 flux Effects 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 230000004382 visual function Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004354 instrument myopia Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004379 myopia Effects 0.000 description 2
- 208000001491 myopia Diseases 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989123409U JP2526550Y2 (ja) | 1989-10-20 | 1989-10-20 | 視力検査装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989123409U JP2526550Y2 (ja) | 1989-10-20 | 1989-10-20 | 視力検査装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0363302U JPH0363302U (cs) | 1991-06-20 |
| JP2526550Y2 true JP2526550Y2 (ja) | 1997-02-19 |
Family
ID=31671388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989123409U Expired - Lifetime JP2526550Y2 (ja) | 1989-10-20 | 1989-10-20 | 視力検査装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2526550Y2 (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4488322B2 (ja) * | 2000-01-26 | 2010-06-23 | 大日本印刷株式会社 | フォトマスク製造用スピン処理装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63194633A (ja) * | 1987-02-09 | 1988-08-11 | 株式会社トプコン | 検眼装置 |
-
1989
- 1989-10-20 JP JP1989123409U patent/JP2526550Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0363302U (cs) | 1991-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |